Disassembly-free steel bar truss floor support plate

By designing a disassembly-free reinforced truss floor bearing plate, using the connection of the ninth mouth and the tenon head and the combination of wedge nails and fiber mesh, the problem of the isolation and inability to merge the existing floor bearing plate bottom plate is solved, achieving a larger load-bearing area and preventing concrete leakage.

CN223048282UActive Publication Date: 2025-07-01TIANJIN YUANG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422107427.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-07-01
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

The existing steel bar truss floor plates cannot be merged in isolation, resulting in small load area and potential gaps during merger, which may cause concrete leakage.

Method used

A disassembly-free steel bar truss floor bearing plate is designed, which is connected to the tenon head through the first base plate and the second base plate, and concrete leakage is avoided through wedge nails and fiber mesh, so as to achieve the merger and fixation of the base plate.

Benefits of technology

The merger and fixation of steel bar truss bearing plates is achieved, the load area is increased, concrete leakage is avoided, and the operation is convenient, achieving the goal of floor bearing plates without demolition.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building materials, and discloses a disassembly-free steel bar truss floor support plate which comprises a first bottom plate, a second bottom plate is arranged on the right side of the first bottom plate, lower chord steel bars are arranged on the left side and the right side of the top of the first bottom plate and the left side and the right side of the top of the second bottom plate respectively, and upper chord steel bars are arranged on the tops of the lower chord steel bars. And a mortise opening is formed in the right side of the first bottom plate, a tenon is fixedly connected to the outer wall of the left side of the second bottom plate, the tenon is connected with the mortise opening in a mortise and tenon mode, and first hinge pieces are fixedly connected to the front end and the rear end of the right side of the first bottom plate correspondingly. The mortise opening of the first bottom plate is connected with the tenon of the second bottom plate, then the wedge nail is nailed into the mortise opening, the first bottom plate and the second bottom plate are installed, the first bottom plate and the second bottom plate are fixed through the first hinge piece, the second hinge piece and the rotating shaft, and concrete leakage is avoided through the fiber net; and construction of different areas can be realized.
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Description

Technical Field

[0001] The utility model relates to the technical field of building materials, in particular to a non-detachable steel bar truss floor slab. Background Technique

[0002] With the continuous development of the construction industry, detachable steel bar truss floor slabs have gradually been applied in various buildings. The detachable steel bar truss floor slabs have accelerated the construction progress, enhanced the support effect, reduced the support structure, and enabled rapid installation and repeated use of the formwork.

[0003] After retrieval, the existing Chinese patent publication number is: CN214833899U, which provides a lapped non-detachable steel bar truss floor slab. The part of the connecting piece extending out of the floor slab body of this patent is lapped on the adjacent floor slab body, and the adjacent floor slab body plays a supporting role for it, reducing the misalignment of the splicing joints between two adjacent floor slab bodies.

[0004] Although the above patent can reduce the misalignment of the splicing joints between two adjacent floor slab bodies, the above lapped non-detachable steel bar truss floor slab still has the following problems: the bottom plate of the existing steel bar truss floor slab is isolated and cannot be combined, resulting in a small bearing area, and gaps may be generated during combination, leading to leakage of concrete.

[0005] In view of the above problems, for this reason, a non-detachable steel bar truss floor slab is proposed. Content of the Utility Model

[0006] The purpose of the utility model is to provide a non-detachable steel bar truss floor slab, which solves the problems in the background technique that the bottom plate of the existing steel bar truss floor slab is isolated and cannot be combined, resulting in a small bearing area, and gaps may be generated during combination, leading to leakage of concrete.

[0007] To achieve the above purpose, the utility model provides the following technical solution: a non-detachable steel bar truss floor slab, including a first bottom plate, a second bottom plate is arranged on the right side of the first bottom plate, lower chord steel bars are arranged on the left and right sides of the top of the first bottom plate and the second bottom plate, upper chord steel bars are arranged on the top of the lower chord steel bars, web piercing steel bars are fixedly connected to the middle ends of the lower chord steel bars and the upper chord steel bars, a mortise is opened inside the right side of the first bottom plate, a tenon is fixedly connected to the outer wall of the left side of the second bottom plate, and the tenon is mortise-and-tenon connected with the mortise, first leaves are fixedly connected to the front and rear ends of the right side of the first bottom plate, second leaves are fixedly connected to the front and rear ends of the left side of the second bottom plate, wedge openings are opened at the front and rear ends of the right side of the first bottom plate, wedge nails are slidably connected to the inner walls of the wedge openings, a pulling-out block is fixedly connected to one end of the wedge nails, and an installation component is arranged on the top of the first bottom plate and the second bottom plate.

[0008] By adopting the above technical solution, the first bottom plate and the second bottom plate are installed and fixed through the tenon and mortise, and the first bottom plate and the second bottom plate are secondarily fixed through the first blade, the second blade and the rotating shaft.

[0009] As a further description of the above technical solution: The installation component includes an installation plate, and the installation plate is arranged on the left and right sides of the tops of the first bottom plate and the second bottom plate.

[0010] By adopting the above technical solution, it is fixed through the installation plate and the lower chord steel bars.

[0011] As a further description of the above technical solution: The first blade and the second blade are rotatably connected through a rotating shaft.

[0012] By adopting the above technical solution, the rotating shaft is inserted into the front and rear ends, making it unable to rotate.

[0013] As a further description of the above technical solution: A fiber mesh is arranged between the tops of the first bottom plate and the second bottom plate.

[0014] By adopting the above technical solution, the friction force is increased through the fiber mesh.

[0015] As a further description of the above technical solution: Uniformly distributed installation grooves are formed on the outer wall of the bottom of the installation plate.

[0016] By adopting the above technical solution, the installation posts are installed through the installation grooves.

[0017] As a further description of the above technical solution: Uniformly distributed installation posts are fixedly connected to the left and right sides of the tops of the first bottom plate and the second bottom plate.

[0018] By adopting the above technical solution, the installation posts are inserted into the installation grooves for limiting.

[0019] As a further description of the above technical solution: Uniformly distributed extrusion blocks are fixedly connected to the outer wall of the installation post.

[0020] By adopting the above technical solution, the installation post and the extrusion block can enter the installation groove.

[0021] As a further description of the above technical solution: A spring is fixedly connected to the inner wall of the extrusion block, and the other end of the spring is fixedly connected to a universal ball.

[0022] By adopting the above technical solution, it needs to be squeezed through the universal ball and the spring to enter the interior.

[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0024] 1. The non-detachable steel bar truss floor slab provided by the utility model is first connected by the mortise of the first bottom plate and the tenon of the second bottom plate, and then the first bottom plate and the second bottom plate are installed by driving a wedge nail into it. The first bottom plate and the second bottom plate are fixed by the first blade, the second blade and the rotating shaft, and the concrete leakage is avoided by the fiber mesh, which can be applied to the construction of different areas.

[0025] 2. The non-detachable steel bar truss floor slab provided by the utility model installs the installation columns at the tops of the first bottom plate and the second bottom plate through the installation plate and the installation groove, and installs the steel bars through the installation columns, the extrusion blocks, the springs and the universal balls installed in the installation groove, and the operation is convenient, achieving the goal of facilitating the non-removal of the non-detachable steel bar truss after the floor slab is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 is a schematic diagram of the overall unfolded structure of the utility model;

[0028] Figure 3 is an exploded structure diagram of the installation plate of the utility model;

[0029] Figure 4 is an exploded structure diagram of the spring of the utility model.

[0030] In the figure: 1. First bottom plate; 2. Wedge nail; 3. First blade; 4. Second blade; 5. Rotating shaft; 6. Second bottom plate; 7. Fiber mesh; 8. Pull-out block; 9. Wedge opening; 10. Mortise; 11. Tenon; 12. Installation column; 13. Installation plate; 14. Lower chord steel bar; 15. Web piercing steel bar; 16. Upper chord steel bar; 17. Extrusion block; 18. Spring; 19. Universal ball; 20. Installation groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] To further understand the content of the present utility model, the present utility model will be described in detail with reference to the drawings.

[0033] Refer to Figure 3, A detachable steel bar truss floor slab of the present utility model includes a first bottom plate 1. A second bottom plate 6 is arranged on the right side of the first bottom plate 1. The first bottom plate 1 and the second bottom plate 6 are made of wood. Lower chord steel bars 14 are arranged on the left and right sides of the tops of the first bottom plate 1 and the second bottom plate 6. An upper chord steel bar 16 is arranged on the top of the lower chord steel bars 14. A web piercing steel bar 15 is fixedly connected to the middle ends of the lower chord steel bars 14 and the upper chord steel bar 16. The lower chord steel bars 14 and the upper chord steel bar 16 are supported by the web piercing steel bar 15.

[0034] Refer to Figure 1 and Figure 2 , A mortise 10 is opened inside the right side of the first bottom plate 1. A tenon 11 is fixedly connected to the outer wall of the left side of the second bottom plate 6, and the tenon 11 is mortise-tenon connected with the mortise 10. First leaf pieces 3 are fixedly connected to the front and rear ends of the right side of the first bottom plate 1. Second leaf pieces 4 are fixedly connected to the front and rear ends of the left side of the second bottom plate 6. Wedge openings 9 are opened at the front and rear ends of the right side of the first bottom plate 1. A wedge nail 2 is slidably connected to the inner wall of the wedge opening 9. One end of the wedge nail 2 is fixedly connected to a pulling-out block 8. The wedge nail 2 can be pulled out through the pulling-out block 8. The first leaf pieces 3 and the second leaf pieces 4 are rotatably connected through a rotating shaft 5. A fiber mesh 7 is arranged between the tops of the first bottom plate 1 and the second bottom plate 6. Insert the tenon 11 of the second bottom plate 6 into the mortise 10 of the first bottom plate 1 to combine the first bottom plate 1 and the second bottom plate 6. Drive the wedge nail 2 into the inside through the wedge opening 9. The wedge nail 2 is inserted into the tenon 11 for limit control. At this time, the first leaf pieces 3 and the second leaf pieces 4 overlap. Insert the rotating shaft 5 into the inside for limit control. Combine the first bottom plate 1 and the second bottom plate 6. Then lay the fiber mesh 7 at the joint of the first bottom plate 1 and the second bottom plate 6 to prevent concrete leakage.

[0035] Refer to Figure 3 and Figure 4 , Installation components are arranged on the tops of the first bottom plate 1 and the second bottom plate 6. The installation components include installation plates 13. The installation plates 13 are arranged on the left and right sides of the tops of the first bottom plate 1 and the second bottom plate 6. Uniformly distributed installation grooves 20 are opened on the outer wall of the bottom of the installation plates 13. The inner walls of the installation grooves 20 are first small and then large, and the inner walls are arc-shaped to perform extrusion limit control on the universal balls 19. The installation columns 12 and the extrusion blocks 17 can directly enter the installation grooves 20. The springs 18 and the universal balls 19 need to be extruded. Uniformly distributed installation columns 12 are fixedly connected to the left and right sides of the tops of the first bottom plate 1 and the second bottom plate 6. Uniformly distributed extrusion blocks 17 are fixedly connected to the outer walls of the installation columns 12. Springs 18 are fixedly connected to the inner walls of the extrusion blocks 17. The other ends of the springs 18 are fixedly connected to the universal balls 19. Fix the lower chord steel bars 14 and the installation plates 13. Insert the installation grooves 20 at the bottoms of the installation plates 13 into the installation columns 12 to extrude the universal balls 19 and the springs 18, so that the universal balls 19 and the springs 18 enter the inside and are limited on the inner walls of the installation grooves 20 to install the steel bars. When pulling out, a relatively large force is required to pull out.

[0036] Working principle: Insert the installation groove 20 at the bottom of the mounting plate 13 into the mounting post 12, squeeze the universal ball 19 and the spring 18, so that the universal ball 19 and the spring 18 enter the interior and are limited on the inner wall of the installation groove 20 to install the steel bar. When splicing is required, insert the tenon 11 of the second bottom plate 6 into the mortise 10 of the first bottom plate 1 to combine the first bottom plate 1 and the second bottom plate 6. Drive the wedge nail 2 into it through the wedge opening 9. The wedge nail 2 is inserted into the tenon 11 for limit control. At this time, the first blade 3 and the second blade 4 coincide, insert the rotating shaft 5 into it, and perform limit control on it. Combine the first bottom plate 1 and the second bottom plate 6, and then lay a fiber mesh 7 at the joint of the first bottom plate 1 and the second bottom plate 6 to prevent concrete leakage. It requires a relatively large force to pull it out.

[0037] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A non-disassembly steel truss floor deck, comprising a first bottom plate (1), characterized in that: A second bottom plate (6) is arranged on the right side of the first bottom plate (1), lower chord steel bars (14) are arranged on the left and right sides of the top of the first bottom plate (1) and the second bottom plate (6), upper chord steel bars (16) are arranged on the top of the lower chord steel bars (14), and through-rib steel bars (15) are fixedly connected at the middle ends of the lower chord steel bars (14) and the upper chord steel bars (16), a mortise (10) is provided inside the right side of the first bottom plate (1), and a tenon (11) is fixedly connected to the left outer wall of the second bottom plate (6), and the ... first bottom plate (1). The head (11) is connected to the mortise (10) by mortise and tenon, the first bottom plate (1) is fixedly connected to the first leaf plate (3) at both the front and rear ends of the right side, the second bottom plate (6) is fixedly connected to the second leaf plate (4) at both the front and rear ends of the left side, the first bottom plate (1) is provided with a wedge opening (9) at both the front and rear ends of the right side, the inner wall of the wedge opening (9) is slidably connected to a wedge nail (2), one end of the wedge nail (2) is fixedly connected to a pull-out block (8), and mounting components are arranged on the top of the first bottom plate (1) and the second bottom plate (6).

2. The non-disassembly type steel bar truss floor deck according to claim 1 is characterized in that: The mounting assembly comprises a mounting plate (13), and the mounting plate (13) is arranged on the left and right sides of the top of the first bottom plate (1) and the second bottom plate (6).

3. The non-disassembly type steel bar truss floor deck according to claim 1 is characterized in that: The first leaf (3) and the second leaf (4) are rotatably connected via a rotating shaft (5).

4. The non-disassembly type steel bar truss floor deck according to claim 1 is characterized in that: A fiber mesh (7) is arranged between the first bottom plate (1) and the top of the second bottom plate (6).

5. The non-disassembly type steel bar truss floor deck according to claim 2 is characterized in that: The outer wall at the bottom of the mounting plate (13) is provided with evenly distributed mounting grooves (20).

6. The non-disassembly type steel bar truss floor deck according to claim 2 is characterized in that: Evenly distributed mounting columns (12) are fixedly connected on the left and right sides of the top of the first bottom plate (1) and the second bottom plate (6).

7. The non-disassembly type steel bar truss floor deck according to claim 6 is characterized in that: The outer wall of the installation column (12) is fixedly connected with evenly distributed extrusion blocks (17).

8. The non-disassembly type steel bar truss floor deck according to claim 7 is characterized in that: A spring (18) is fixedly connected to the inner wall of the extrusion block (17), and a universal ball (19) is fixedly connected to the other end of the spring (18).